Answer / ranjeet

go through O.P GUPTA OBJECTIVE and make ur basics strong

Answer / somsubhra bera

to clear the written test of PSU exam must read the
objective books of 1. O.P Gupta
2. Ramprasad

Answer / rahaman

due to thermal cracking large amounts of coke is formed which poisions the catalyst,so steam is added to reduce coke formation, what steam does is that it oxidise carbon to co or co2

CHEMICAL MATERIAL BALANCE - EXAMPLE 2.1 : Two methanol-water mixtures are contained in separate tanks. The first mixture contains 40.0 wt % methanol and the second contains 70.0 wt % methanol. If 200 kg of the first mixture is combined with 150 kg of the second, what are the mass and composition of the product? The symbol of weight percent is wt %.

1 Answers  

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how we can find solubility of liquid in amyl alcohol and relative solubility of amyl alcohol

0 Answers   Grasim,

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A shiny brown colored element ‘x’ on heating in air becomes black in cooler name the element ‘x’and black colored compound formed?

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Suppose you have hot fluid and cold water, what fluid you should flow in shell side and tube side in a shell and tube heat exchanger and why

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Question 41 - According to Raoult's law, the pressure when vapor is completely condensed, P = x(1) P(1) + x(2) P(2) ... + x(n) P(n) when x(1), x(2) ... x(n) are the mole fractions of component 1, 2 ... n and P(1), P(2) ... P(n) are the vapor pressures of component 1, 2 ... n. A vapor at 74 degree Celsius containing 70 mole % water and 30 mole % ethanol is to be completely condensed. At the temperature of 74 degree Celsius vapor pressure is 0.38 atm for water and 0.97 atm for ethanol. What is the minimum pressure the compressor must be operated?

1 Answers  

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What is the significance of the minimum flow required by a pump?

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Explain what are the criteria involved in choosing mass balances for components?

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For a heat exchanger, will the overall heat transfer coefficient increase along with an increase in lmtd (log mean temperature difference) around the unit?

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What is the maximum recommend pipe velocity for dry and wet gases?

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ACCOUNTING AND FINANCIAL ENGINEERING - EXAMPLE 34.13 (CORRECTION) : (i) In the Present Value Multiplication Rule, let PV = present value, Ra = interest rate for first discount, A = duration for first discount; Rc = interest rate for second discount, C = duration for second discount. Let PV = [ 1 / (1 + Ra) ^ A ] [ 1 / (1 + Rc) ^ C ] where ^ is the symbol of power : 3 ^ 2 = 3 x 3, 2 ^ 3 = 2 x 2 x 2. (a) For discounts involving 8 % / year for 3 years and 10 % / year for 9 years, find the value of PV. (b) If Re = interest rate for third discount, E = duration of third discount, form a mathematical equation of PV as a function of A, C, E, Ra, Rc, Re. Note : Discounts are available in the purchase of certain biochemical engineering instruments. (ii) Let R = nominal interest rate related to growth rate of money, r = real interest rate related to growth rate of purchase power. If I = inflation, where the unit of R, r and I is %, find the mathematical relationship of r as a function of R and I.

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why distillation of water takes more time than toluene ,eventhough the later boiling point is more than water ?

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While there, are many tests available to detect leaks on vessels, is there a technology available to quantify the leak, or measure the flow through a leak?

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